Add update.json to jquery.serializejson
Add update.json to jquery.serializejson

Hi,

The last version on jsdelivr is 1.2.3, and the project is now at version 2.6.1, so I'm just setting up the `update.json` file for this one.

Cheers!
vvo/jsdelivr,vvo/jsdelivr,vvo/jsdelivr,vvo/jsdelivr,vvo/jsdelivr